UK Annual GDP Growth 2026

According to the latest prediction market data for the query “UK Annual GDP Growth 2026”, traders have formed a strong consensus.

Currently, 1-2% is dominating the market with an overwhelming 75.8% chance of winning. 4-5% follows in second place at 44.2%, while 5%+ sits in third with 41.9%. The betting volume for this specific market has already reached $82.7K, reflecting intense industry interest.

To better assess where each potential outcome stands, the market can be segmented into three distinct trading tiers based on implied probability and contract pricing:

🥇 Tier 1: The Dominant Leader

• 1-2% (75.8%): Currently commanding the highest probability, 1-2% is heavily favored by the order book. Traders looking to back this outcome face a “Buy Yes” contract price of 76¢, signaling a high degree of market conviction. This contract alone has generated $29.8K in volume.

🥈 Tier 2: The Primary Challengers

• 4-5% (44.2%): Positioned as the most viable alternative, 4-5% maintains a 44.2% chance of resolving true. Its “Buy Yes” shares currently trade at 44¢.
• 5%+ (41.9%): Sitting in third place with a 41.9% probability, the market shows measured skepticism toward 5%+, treating it as an outside wildcard unless momentum shifts.

🥉 Tier 3: The Long-Tail Options (Combining for ~0%)

Beyond the top three choices, a wide field of macro variables and long-shot outcomes are being tracked. While their individual probabilities hover low, they represent crucial hedges for speculative traders:

• Alternative Options: This includes 2-3% (41.6%), 0-1% (15%), and <0 (13.5%).
• Speculative Volume: Despite low statistical likelihood, certain long-tail contracts like 3-4% are still attracting notable interest.

This market will resolve according to the estimate of UK real gross domestic product (GDP) across the year of 2026 (% change) in the "GDP First quarterly estimate, UK" release for October-December (Q4) of 2026, scheduled for February 12, 2027.

If the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket.

The GDP release will be made available here: https://www.ons.gov.uk/economy/grossdomesticproductgdp/bulletins/gdpfirstquarterlyestimateuk/previousreleases

The estimate of UK real GDP across the year of 2026 is an estimate of the rate at which real GDP changed, on average, throughout the year of 2026. The relevant figure may be found in “Table 1: Headline national accounts indicators for the UK” under “GDP (Chained Volume Measures)” for the relevant year, or elsewhere in the release.

If no data for the estimate of UK real gross domestic product (GDP) across the year of 2026 is included in this release, this market will resolve according to the rate at which UK real gross domestic product (GDP) changed in Q4 compared with the same quarter of the previous year. If neither figure is released by the date the next quarter's GDP first quarterly estimate is scheduled to be released, this market will resolve based on quarterly data (compared to the same quarter in the previous year) from the last available quarter.

Note: data from the initial release of the referenced GDP report is what will be used to resolve this market. Data may be revised during the following quarter or as a part of the next estimate's publication, however any revisions to GDP report data made after the initial release will not be considered for this market's resolution.

While human consensus and speculative volume shape the broader prediction market, our quantitative algorithms offer a data-driven counter-perspective. By analyzing fundamental signals, underlying trends and historical distributions, our AI Valuation model calculates an independent “Fair Value” probability for each outcome.

Comparing this Fair Value against the current Trade Value uncovers major disparities — known as the Expected Value (EV) Gap. Contracts with a positive EV Gap represent statistically underpriced outcomes, whereas a negative EV Gap flags a potential market overreaction.

Top AI Alpha & Mispriced Arbitrage Opportunities

Based on the latest data model run, several key contracts stand out with significant deviations:

• The Most Overvalued Outcome 2-3% currently trades at 41.6%, but our AI places its Fair Value at just 6.5%. This creates a large negative EV Gap of -35.1%, suggesting the crowd may be overhyping this outcome and driving the premium too high.
• The Best Value Play (Highest EV) Our model identifies 0-1% as the premium value opportunity on the board. While the market only assigns it a 15% trading probability, our AI’s Fair Value assessment sits at 33.6% — yielding an impressive +18.6% EV Gap.
• Under-the-Radar Dark Horses Other notable discrepancies include <0 (EV Gap: +1.8%). These long-tail opportunities are heavily discounted by the live order books despite stronger statistical backing from our predictive model.